NC0023736_Authorization to Construct_20160415

NPDES DOCUHENT SCANNING: COVER SHEET
NPDES Permit:
NC0023736
Gunpowder Creek WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
April 15, 2016
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McGill
ASSOCIATES
April 15, 2016
Mr. Ron Berry
NCDEQ Division of Water Resources
Water Quality Programs
512 N. Salisbury Street
Raleigh, North Carolina 27604
Dear Mr. Berry:
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RE: Engineer's Certification
ATC No. 023 73 6A01
SRF Project No. CS370393-04
Gunpowder Creek WWTP Improvements
City of Lenoir, North Carolina
Enclosed for your records is the Engineer's Certification for the subject project. If you
have any questions or require additional information, please do not hesitate to contact us at
[phone].
Sincerely,
McGILL ASSOCIATES, P.A.
JOEL A. WHITFORD, PE
Project Manager
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Enclosure
cc: Mr. Radford Thomas, City of Lenoir Public Utilities Director (Vend)
Mr. Monte Wall, City of Lenoir Plant Superintendent (1/encl)
Mr. Mike Waresak, PE, McGill Associates (1/encl)
Mr. Curtis Baker, McGill Associates (1/encl)
Engineering • Planning • Finance
McGill Associates, P.A. • 1240 19th Street, Lane NW, Hickory, NC 28601
Office: 828.328.2024 • Fax: [phone] • www.mcgillengineers.com

City of Lenoir
Gunpowder Creek WWTP
Authorization to Construct No. 023736A01
Issued February 19, 2014
Engineer's Certification
M.
I, / - r I CLe' / cJ • /v r pe S•ri� , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe ergo cal weekly/full time)
the construction of the modifications and improvements to the Gunpowder Creek Wastewater
Treatment Plant, located in Caldwell County, hereby state that, to the best of my abilities, due
care and diligence was used in the observation of the following construction:
Installation of one (1) 910,000 gallon Sequencing Batch Reactor (SBR) with fine
bubble diffusers,one (1) 25 HP floating mixer, one (1) floating decanter, one (1) 205
gpm sludge wasting pump, and piping and controls; installation of five (5) 1,000 scfin
blowers with piping and controls; in conformity with the final project plans,
specifications, and other supporting data subsequently filed with and approved by the
Department of Environment and Natural Resources Division of Water Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance, intent and in conformity with all applicable regulations and statutes and
the project plans, specifications, and other supporting documentation comprising the
Authorization to Construct Permit Application package.
Signature X(neirf
Date 4 - /S`�.• /(
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Registration No. D /9 T' $ b
Mail this Certification to: Attn: Ron Berry
Complex Permitting Unit
DENR/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617
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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Water Quality Programs
Pat McCrory Thomas A. Reeder John E. Skvarla, III
Governor Director Secretary
February 19, 2014
W. Lane Bailey
City Manager
801 West Avenue NW
Lenoir, NC 28645
SUBJECT: Authorization to Construct
A to C No. 023736A01
City of Lenoir
Gunpowder Creek WWTP
Reference: DWI No. CS370393-04
Dear Mr. Bailey:
A letter of request for an Authorization to Construct was received December 3, 2013 by
the Division of Water Resources (Division), and final plans and specifications for the subject
project have been reviewed and found to be satisfactory. Authorization is hereby granted for the
construction of modifications to the existing 2.0 MGD Gunpowder Creek WWTP, with
discharge of treated wastewater into Gunpowder Creek in the Catawba River Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
Installation of one (1) 910,000 gallon Sequencing Batch Reactor (SBR) with
fine bubble diffusers, one (1) 25 HP floating mixer, one (1) floating decanter,
one (1) 205 gpm sludge wasting pump, and piping and controls; installation of
five (5) 1,000 scfm blowers with piping and controls; in conformity with the
final project plans, specifications, and other supporting data subsequently filed
with and approved by the Department of Environment and Natural Resources
Division of Water Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0023736 issued February 1, 2012; and shall be subject to revocation
unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0023736.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St Raleigh, North Carolina 27604
Phone: [phone] Fax: [phone]
Internet: www.ncwateroualitv.orq
An Equal OpportuniryWffirmative Action Employer

W. Lane Bailey, City Manager
February 19, 2014
Page 2 of 3
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the Division.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by the Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Asheville Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an on site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: NPDES Unit, DWR/DENR, 1617
Mail Service Center, Raleigh, NC 27699-1617.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at
least equivalent to or greater than the classification assigned to the wastewater treatment
facilities by the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of T15A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class II, III and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and when applicable, the North
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.

W. Lane Bailey, City Manager
February 19, 2014
Page 3 of 3
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits and fund approval from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division in accordance with North
Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.
If you have any questions or need additional information, please contact Ron Berry at
telephone number [phone].
Thomas A. Reeder
cc: Joseph C. Williams IV, P.E.
McGill Associates, P.A.
55 Broad Street
Asheville, NC 28801
DWR/ Asheville Regional Office, Water Quality Programs
Central Files
NPDES File
Without Engineer's Certificate attached:
Caldwell County Health Department
DWI (funded)/Ken Pohlig, P.E.